547445544745 has 24 divisors (see below), whose sum is σ = 722199291912. Its totient is φ = 398079306240.

The previous prime is 547445544743. The next prime is 547445544769.

547445544745 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 14089927401 + 533355617344 = 118701^2 + 730312^2 .

It is not a de Polignac number, because 547445544745 - 2¹ = 547445544743 is a prime.

It is a super-2 number, since 2×547445544745² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 547445544745.

It is not an unprimeable number, because it can be changed into a prime (547445544743) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3947217 + ... + 4083553.

It is an arithmetic number, because the mean of its divisors is an integer number (30091637163).

Almost surely, 2^547445544745 is an apocalyptic number.

547445544745 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

547445544745 is a deficient number, since it is larger than the sum of its proper divisors (174753747167).

547445544745 is a wasteful number, since it uses less digits than its factorization.

547445544745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143001 (or 142990 counting only the distinct ones).

The product of its digits is 125440000, while the sum is 58.

The spelling of 547445544745 in words is "five hundred forty-seven billion, four hundred forty-five million, five hundred forty-four thousand, seven hundred forty-five".